SAPPHIRE Radeon RX 7900 XT 20GB
vs
GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
GPU comparison with benchmarksIn the gpu comparison between the SAPPHIRE Radeon RX 7900 XT 20GB and the GIGABYTE Radeon RX 7900 XTX GAMING OC 24G, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe SAPPHIRE Radeon RX 7900 XT 20GB is based on the AMD Radeon RX 7900 XT and has 5376 texture shaders and 84 execution units. GIGABYTE Radeon RX 7900 XTX GAMING OC 24G is based on AMD Radeon RX 7900 XTX, which has 6144 shaders and 96 execution units. |
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| SAPPHIRE Radeon RX 7900 XT 20GB | GPU | GIGABYTE Radeon RX 7900 XTX GAMING OC 24G |
| AMD Radeon RX 7900 XT | Based on | AMD Radeon RX 7900 XTX |
| Navi 31 | GPU Chip | Navi 31 |
| RDNA 3 | Architecture | RDNA 3 |
| 84 | Streaming Multiprocessors | 96 |
| 5376 | Shader | 6144 |
| 192 | Render Output Units | 192 |
| 336 | Texture Units | 384 |
| 84 | Raytracing Cores | 96 |
MemoryThe SAPPHIRE Radeon RX 7900 XT 20GB has 20 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 800 GB/s. The GIGABYTE Radeon RX 7900 XTX GAMING OC 24G can access 24 GB GDDR6 graphics memory and thus achieves a memory bandwidth of 960 GB/s. |
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| 20 GB | Memory Size | 24 GB |
| GDDR6 | Memory Type | GDDR6 |
| 2.500 GHz | Memory Clock | 2.500 GHz |
| 20.0 Gbps | Memory Speed | 20.0 Gbps |
| 800 GB/s | Memory bandwidth | 960 GB/s |
| 320 bit | Memory Interface | 384 bit |
Clock SpeedsThe SAPPHIRE Radeon RX 7900 XT 20GB clocks in the base with up to 1.500 GHz. The base frequency of the GIGABYTE Radeon RX 7900 XTX GAMING OC 24G is 1.900 GHz. |
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| 1.500 GHz | Base Clock | 1.900 GHz |
| 2.400 GHz | Boost Clock | 2.525 GHz |
| 2.00 GHz | Avg (Game) Clock | 2.33 GHz |
| Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the SAPPHIRE Radeon RX 7900 XT 20GB is 308 W. The graphics card is supplied with energy via the 2 x 8-Pin connector. The GIGABYTE Radeon RX 7900 XTX GAMING OC 24G has a TDP of 355 W and is supplied with the required energy via 2 x 8-Pin PCIe power connectors. |
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| 308 W | TDP | 355 W |
| -- | TDP (up) | -- |
| 97 °C | Tjunction max | 97 °C |
| 2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe SAPPHIRE Radeon RX 7900 XT 20GB has a total of 3 Axial fans. The GIGABYTE Radeon RX 7900 XTX GAMING OC 24G has 3 Axial fans to cool the GPU and memory. |
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| Axial | Fan-Type | Axial |
| 3 x 90 mm | Fan 1 | 3 x 100 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | -- |
ConnectivityIn the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the SAPPHIRE Radeon RX 7900 XT 20GB. The GIGABYTE Radeon RX 7900 XTX GAMING OC 24G supports a maximum of 4 screens. |
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| 4 | Max. Displays | 4 |
| 2.3 | HDCP-Version | 2.3 |
| 1x HDMI v2.1 | HDMI Ports | 2x HDMI v2.1 |
| 2x DP v2.1 | DP Ports | 2x DP v2.1 |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| 1 | USB-C Ports | -- |
FeaturesetThe SAPPHIRE Radeon RX 7900 XT 20GB supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the GIGABYTE Radeon RX 7900 XTX GAMING OC 24G is 7680x4320 pixels. |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12_2 (Ultimate) | DirectX | 12_2 (Ultimate) |
| Yes | Raytracing | Yes |
| Yes | DLSS / FSR | Yes |
| No LED lighting | LED | GIGABYTE RGB Fusion |
Supported Video CodecsThe support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos. |
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| Decode / Encode | h264 | Decode / Encode |
| Decode / Encode | h265 / HEVC | Decode / Encode |
| Decode / Encode | AV1 | Decode / Encode |
| Decode / Encode | VP8 | Decode / Encode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe SAPPHIRE Radeon RX 7900 XT 20GB is 276 mm long, 113 mm high and 51 mm wide. The GIGABYTE Radeon RX 7900 XTX GAMING OC 24G is 331 mm long, 138 mm high and 50 mm wide. |
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| 276 mm | Length | 331 mm |
| 113 mm | Height | 138 mm |
| 51 mm | Width | 50 mm |
| 3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
| -- | Weight | -- |
| PCIe 4 x 16 | GPU Interface | PCIe 4 x 16 |
Additional dataThe SAPPHIRE Radeon RX 7900 XT 20GB was released in Q4/2022 at a price of 899 $. The GIGABYTE Radeon RX 7900 XTX GAMING OC 24G was introduced in Q4/2022 at a price of 999 $ (Reference). |
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| 21323-01-20G | Part-no | GV-R79XTXGAMING OC-24GD |
| Q4/2022 | Release date | Q4/2022 |
| 899 $ | Launch Price | 999 $ (Reference) |
| 5 nm | Structure size | 5 nm |
| data sheet | Documents | data sheet |
1.500 GHz, 20 GB (308 W TDP)
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1.900 GHz, 24 GB (355 W TDP)
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Benchmark results
3DMark Benchmark (DirectX, Raytracing)
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
Time Spy Extreme Graphics score
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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Port Royal (Raytracing)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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Cyberpunk 2077
Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.
3840x2160 (2160p)
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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2560x1440 (1440p)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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1920x1080 (1080p)
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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The Last of Us Part 1
The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.
3840x2160 (2160p)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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2560x1440 (1440p)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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1920x1080 (1080p)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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Geekbench 6 (OpenCL, Vulkan, Metal)
Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.
Geekbench 6 - OpenCL
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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Geekbench 6 - Vulkan
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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FP32 Performance (Single-precision TFLOPS)
The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.
FP32 (TFLOPS)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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GIGABYTE Radeon RX 7900 XTX GAMING OC 24G
24 GB GDDR6 |
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